1. La classification des immersions combinatoires;Haefliger;Inst. Hautes Études Publ. Math.,1964
2. Piecewise linear bundles in the stable range;Haefliger;Topology,1965
3. Homotopy Theory;Hu,1959
4. Piecewise Linear Topology;Hudson,1969
5. Microbundles and bundles I. Elementary theory;Kuiper;Invent. Math.,1966